/*
* File : CompletionItem.java Created : 24 nov. 2003 By : Olivier
*
* Copyright (C) 2004, 2005, 2006 Aelitis SAS, All rights Reserved
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation; either version 2 of the
* License.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details ( see the LICENSE file ).
*
* You should have received a copy of the GNU General Public License along with this program; if
* not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*
* AELITIS, SAS au capital de 46,603.30 euros, 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le
* Roi, France.
*/
package org.gudy.azureus2.ui.swt.views.tableitems.files;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.gudy.azureus2.core3.disk.DiskManager;
import org.gudy.azureus2.core3.disk.DiskManagerFileInfo;
import org.gudy.azureus2.core3.disk.DiskManagerPiece;
import org.gudy.azureus2.core3.download.DownloadManager;
import org.gudy.azureus2.core3.peer.PEPeerManager;
import org.gudy.azureus2.core3.peer.PEPiece;
import org.gudy.azureus2.core3.util.SystemTime;
import org.gudy.azureus2.ui.swt.mainwindow.Colors;
import org.gudy.azureus2.ui.swt.mainwindow.SWTThread;
import org.gudy.azureus2.ui.swt.plugins.UISWTGraphic;
import org.gudy.azureus2.ui.swt.pluginsimpl.UISWTGraphicImpl;
import org.gudy.azureus2.ui.swt.views.table.CoreTableColumnSWT;
import org.gudy.azureus2.ui.swt.views.table.TableCellSWT;
import org.gudy.azureus2.plugins.ui.Graphic;
import org.gudy.azureus2.plugins.ui.tables.*;
/**
* Torrent Completion Level Graphic Cell for My Torrents.
*
* @author Olivier
* @author TuxPaper (2004/Apr/17: modified to TableCellAdapter)
*/
public class ProgressGraphItem extends CoreTableColumnSWT implements TableCellAddedListener, TableCellDisposeListener, TableCellVisibilityListener {
private static final int borderWidth = 1;
/** Default Constructor */
public ProgressGraphItem() {
super("pieces", TableManager.TABLE_TORRENT_FILES);
initializeAsGraphic(POSITION_LAST, 200);
setMinWidth(100);
}
public void fillTableColumnInfo(TableColumnInfo info) {
info.addCategories(new String[] {
CAT_PROGRESS,
});
info.setProficiency(TableColumnInfo.PROFICIENCY_BEGINNER);
}
public void cellAdded(TableCell cell) {
new Cell(cell);
}
public void cellVisibilityChanged(TableCell cell, int visibility) {
if(visibility == VISIBILITY_HIDDEN)
dispose(cell);
}
public void dispose(TableCell cell) {
// only dispose of image here, this method is reused in other methods
Graphic graphic = cell.getGraphic();
if (graphic instanceof UISWTGraphic)
{
final Image img = ((UISWTGraphic) graphic).getImage();
if (img != null && !img.isDisposed()){
img.dispose();
// see http://forum.vuze.com/thread.jspa?threadID=117243
// could it be that it isn't being marked as disposed after disposal and
// being double-disposed?
((UISWTGraphic) graphic).setImage( null );
}
}
}
private class Cell implements TableCellLightRefreshListener {
int lastPercentDone = 0;
private long last_draw_time = SystemTime.getCurrentTime();
private boolean bNoRed = false;
private boolean was_running = false;
public Cell(TableCell cell) {
cell.setFillCell(true);
cell.addListeners(this);
}
public void refresh(TableCell cell) {
refresh(cell, false);
}
public void refresh(TableCell cell, boolean sortOnly) {
final DiskManagerFileInfo fileInfo = (DiskManagerFileInfo) cell.getDataSource();
int percentDone = 0;
if (fileInfo != null && fileInfo.getLength() != 0)
percentDone = (int) ((1000 * fileInfo.getDownloaded()) / fileInfo.getLength());
cell.setSortValue(percentDone);
if (sortOnly)
{
dispose(cell);
return;
}
//Compute bounds ...
int newWidth = cell.getWidth();
if (newWidth <= 0)
return;
final int newHeight = cell.getHeight();
final int x1 = newWidth - borderWidth - 1;
final int y1 = newHeight - borderWidth - 1;
if (x1 < 10 || y1 < 3)
return;
final DiskManager manager = fileInfo == null ? null : fileInfo.getDiskManager();
// we want to run through the image part once one the transition from with a disk manager (running)
// to without a disk manager (stopped) in order to clear the pieces view
boolean running = manager != null;
boolean hasGraphic = false;
Graphic graphic = cell.getGraphic();
if (graphic instanceof UISWTGraphic) {
Image img = ((UISWTGraphic) graphic).getImage();
hasGraphic = img != null && !img.isDisposed();
}
final boolean bImageBufferValid = (lastPercentDone == percentDone)
&& cell.isValid() && bNoRed && running == was_running && hasGraphic;
if (bImageBufferValid)
return;
was_running = running;
lastPercentDone = percentDone;
Image piecesImage = null;
if (graphic instanceof UISWTGraphic)
piecesImage = ((UISWTGraphic) graphic).getImage();
if (piecesImage != null && !piecesImage.isDisposed())
piecesImage.dispose();
if (!running) {
cell.setGraphic(null);
return;
}
piecesImage = new Image(SWTThread.getInstance().getDisplay(), newWidth, newHeight);
final GC gcImage = new GC(piecesImage);
// dm may be null if this is a skeleton file view
DownloadManager download_manager = fileInfo == null ? null : fileInfo.getDownloadManager();
PEPeerManager peer_manager = download_manager == null ? null : download_manager.getPeerManager();
PEPiece[] pe_pieces = peer_manager == null ? null : peer_manager.getPieces();
final long now = SystemTime.getCurrentTime();
if (fileInfo != null && manager != null)
{
if (percentDone == 1000)
{
gcImage.setForeground(Colors.blues[Colors.BLUES_DARKEST]);
gcImage.setBackground(Colors.blues[Colors.BLUES_DARKEST]);
gcImage.fillRectangle(1, 1, newWidth - 2, newHeight - 2);
} else
{
final int firstPiece = fileInfo.getFirstPieceNumber();
final int nbPieces = fileInfo.getNbPieces();
final DiskManagerPiece[] dm_pieces = manager.getPieces();
bNoRed = true;
for (int i = 0; i < newWidth; i++)
{
final int a0 = (i * nbPieces) / newWidth;
int a1 = ((i + 1) * nbPieces) / newWidth;
if (a1 == a0)
a1++;
if (a1 > nbPieces && nbPieces != 0)
a1 = nbPieces;
int nbAvailable = 0;
boolean written = false;
boolean partially_written = false;
if (firstPiece >= 0)
for (int j = a0; j < a1; j++)
{
final int this_index = j + firstPiece;
final DiskManagerPiece dm_piece = dm_pieces[this_index];
if (dm_piece.isDone())
nbAvailable++;
if (written)
continue;
if (pe_pieces != null)
{
PEPiece pe_piece = pe_pieces[this_index];
if (pe_piece != null)
written = written || (pe_piece.getLastDownloadTime(now) + 500) > last_draw_time;
}
if ((!written) && (!partially_written))
{
final boolean[] blocks = dm_piece.getWritten();
if (blocks != null)
for (int k = 0; k < blocks.length; k++)
if (blocks[k])
{
partially_written = true;
break;
}
}
} // for j
else
nbAvailable = 1;
gcImage.setBackground(written ? Colors.red : partially_written ? Colors.grey : Colors.blues[(nbAvailable * Colors.BLUES_DARKEST) / (a1 - a0)]);
gcImage.fillRectangle(i, 1, 1, newHeight - 2);
if (written)
bNoRed = false;
}
gcImage.setForeground(Colors.grey);
}
} else
gcImage.setForeground(Colors.grey);
if (manager != null)
gcImage.drawRectangle(0, 0, newWidth - 1, newHeight - 1);
gcImage.dispose();
last_draw_time = now;
if (cell instanceof TableCellSWT)
((TableCellSWT) cell).setGraphic(piecesImage);
else
cell.setGraphic(new UISWTGraphicImpl(piecesImage));
}
}
}